#1A428E#1A428E

#1A428E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.134 H 261.6°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#1A428E
RGB	rgb(26, 66, 142)
HSL	hsl(219, 69%, 33%)
HSV	hsv(219, 82%, 56%)
CMYK	cmyk(81.7%, 53.5%, 0%, 44.3%)
CIE-LAB	lab(29.58, 15.61, -46.08)
CIE-LCH	lch(29.58, 48.65, 288.72°)
OKLab	oklab(39.83% -0.0195 -0.1328)
OKLCH	oklch(39.83% 0.134 261.6)
XYZ	xyz(7.2549, 6.0682, 26.3748)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A428E #8E661A

analogous

#1A7C8E #1A428E #2C1A8E

triadic

#1A428E #8E1A42 #428E1A

tetradic

#1A428E #8E1A7C #8E661A #1A8E2C

square

#1A428E #8E1A7C #8E661A #1A8E2C

split-complementary

#1A428E #8E2C1A #7C8E1A

monochromatic

#071227 #112A5A #1A428E #235AC2 #457ADD

Accessibility & contrast

On white

9.49

#1A428E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1A428E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A428E

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A428E	#FFFFFF	#000000	##FFFFFF
##1A428E	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4B91

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1a428e;
/* rgb */ color: rgb(26, 66, 142);
/* oklch */ color: oklch(39.8% 0.134 261.6);

Tailwind

colors: {
  custom: {
    50: '#6b75b0',
    500: '#1a428e',
    950: '#000000',
  },
}

SCSS

$custom: #1a428e;
$custom-light: #6b75b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a428e",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 142
  },
  "hsl": {
    "h": 219.31,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.39828,
    "c": 0.13421,
    "h": 261.6
  },
  "luminance": 0.06069
}

Semantic roles & 50–950 ramp

primary

#1A428E

secondary

#BE9545

accent

#AF3CEC

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1A428E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →